Question: Explain why The methyl group in the following compound has an unusual chemical shift of (- 1.61), about 4 ppm lower than the chemical

Explain why

The methyl group in the following compound has an unusual chemical shift of Î´ (- 1.61), about 4 ppm lower than the chemical shift of a typical allylic methyl group.

: Na sodium salt of cyclopentadiene

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